Buckle



FIG. 1 is a perspective view of a buckle, showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a view thereof taken from one side;

FIG. 5 is a view thereof taken from the other side;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The ornamental design for the “buckle”, as shown and described. 